Patents by Inventor Walter R. Knabel

Walter R. Knabel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ski brake
    Patent number: 4537418
    Abstract: A pedal-actuated ski brake which is biased into the braking position. The ski brake may be easily released from the biasing device so as to permit the ski brake to be released into a non-braking position permitting free access to the sides and bottom of the ski.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: August 27, 1985
    Assignee: Marker International
    Inventors: Walter R. Knabel, Gerhard J. Sedlmair